System Variable Entry: MBUTTONPAN

MBUTTONPAN

integer, range 0 to 1

1

no

registry; saved in registry

Controls the behavior of the third button or wheel on the pointing device.

AutoCAD and BricsCAD. AutoCAD all; BricsCAD V20+. Divergence: type AutoCAD Integer, BricsCAD Short.

• AutoCAD: https://help.autodesk.com/view/ACD/2026/ENU/?guid=GUID-07122CB7-EC98-4D5F-B3BE-16EA6FB54CED
• BricsCAD: https://help.bricsys.com/en-us/document/system-variable-reference/m/mbuttonpan-system-variable